Make a slow-drip watering system. Most plants like their roots to be damp, but not muddy. This experiment is perfect for observing how plants absorb the nutrients they need to thrive. Check out the rest of these 12 Gardener challenges.
How to grow an avocado tree from an avocado pit. For more gardening tips and tricks, check out the Gardener skill.
For all of us who get a little confused with companion plants and which plants benefit from each other and which don’t. Check out these other Gardener projects:
Regrow your kitchen scraps.